Home / 66,769.79-92,142.33-36,557.03

Finding the Fourth Proportional to 66,769.79, 92,142.33 and 36,557.03

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Solution

The fourth proportional to 66,769.79, 92,142.33 and 36,557.03 is: 50,448.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,769.79 : 92,142.33 = 36,557.03 : x
  2. Step 2: Convert to fraction form
    66,769.79/92,142.33 = 36,557.03/x
  3. Step 3: Cross multiply
    66,769.79x = 92,142.33 × 36,557.03
  4. Step 4: Simplify right side
    66,769.79x = 3,368,449,739.29
  5. Step 5: Solve for x
    x = 3,368,449,739.29/66,769.79
  6. Step 6: Final answer
    x = 50,448.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.